how to understand the Error message of the connection of OPC server

[Gary_Guan]

hi guys, one issue need your help

when I run the NI OPC servers, one error message will appear in the process information.

Just like as followed:

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2011-6-23   11:50:05   Default User   NI OPC Servers   Stopping Simulator device driver.
2011-6-23   11:50:05   Default User   NI OPC Servers   Closing project D:\National Instruments\Shared\NI OPC Servers\projects\simdemo.opf
2011-6-23   11:50:25   Default User   NI OPC Servers   NI OPC Servers
2011-6-23   11:50:25   Default User   NI OPC Servers   Unable to load driver DLL 'D:\National Instruments\Shared\NI OPC Servers\drivers\dataforth_isolynx_u.dll'

more messages

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how to understand "2011-6-23   11:50:25   Default User   NI OPC Servers   Unable to load driver DLL 'D:\National Instruments\Shared\NI OPC Servers\drivers\dataforth_isolynx_u.dll'??????

Thanks

[mawodorfer]

Hi!
I have the same problem when opening the OPC Server.
Unfortunately I have no solution, but I think it has something to do with incorrect Certificates and is more of a Windows Problem.

If anybody can help, please let us know!